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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Haverfordwest, United Kingdom, is a frosty winter month, with temperature in the range of an average high of 8.4°C (47.1°F) and an average low of 6°C (42.8°F). During January, Haverfordwest observes a subtle ascent to a still frosty 8.4°C (47.1°F) from December's 9.7°C (49.5°F) in the average high-temperature. Weather in January »
Weather in February
February, the last month of the winter in Haverfordwest, is also a frosty month, with an average temperature fluctuating between 8.3°C (46.9°F) and 5.6°C (42.1°F). February is the coldest month, with an average high-temperature of 8.3°C (46.9°F) and an average low-temperature of 5.6°C (42.1°F). Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Haverfordwest, United Kingdom, with an average temperature fluctuating between 6.1°C (43°F) and 9.3°C (48.7°F). The shift into March uncovers an average high-temperature of a still chilly 9.3°C (48.7°F), subtly different from the previous month. Weather in March »
Weather in April
April in Haverfordwest, United Kingdom, is a cool spring month, with an average temperature varying between 7.4°C (45.3°F) and 11.3°C (52.3°F). April's weather records an average high-temperature of a cool 11.3°C (52.3°F), showing little deviation from March. Weather in April »
Weather in May
May, the last month of the spring in Haverfordwest, is a refreshing month, with temperature in the range of an average low of 9.5°C (49.1°F) and an average high of 13.3°C (55.9°F). The onset of May marks an average high-temperature of a refreshing 13.3°C (55.9°F), hardly differing from April's 11.3°C (52.3°F). Weather in May »
Weather in June
June, the first month of the summer in Haverfordwest, is still a mild month, with temperature in the range of an average high of 15.8°C (60.4°F) and an average low of 12.3°C (54.1°F). Haverfordwest's shift into June is marked by a subtle change to a still refreshing 15.8°C (60.4°F) from May's 13.3°C (55.9°F) in temperature. Weather in June »
Weather in July
July is an enjoyable summer month in Haverfordwest, United Kingdom, with an average temperature fluctuating between 14.3°C (57.7°F) and 17.1°C (62.8°F). July's advent denotes a minor fluctuation in the average high-temperature to a comfortable 17.1°C (62.8°F) from June's 15.8°C (60.4°F). Weather in July »
Weather in August
August, the last month of the summer in Haverfordwest, is also an enjoyable month, with an average temperature varying between 17.2°C (63°F) and 14.6°C (58.3°F). The highest temperatures are recorded in August, with averages reaching a high of 17.2°C (63°F) and a low of 14.6°C (58.3°F). Weather in August »
Weather in September
September, the first month of the autumn in Haverfordwest, is also an enjoyable month, with an average temperature varying between 16.1°C (61°F) and 13.4°C (56.1°F). Haverfordwest ushers in September with an average high-temperature of a still refreshing 16.1°C (61°F), showing a close resemblance to the previous month. Weather in September »
Weather in October
October, the same as September, in Haverfordwest, United Kingdom, is another refreshing autumn month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 14.2°C (57.6°F). With the onset of October, the average high-temperature stands at a mild 14.2°C (57.6°F), closely aligned with September's 16.1°C (61°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Haverfordwest, United Kingdom, with temperature in the range of an average high of 11.2°C (52.2°F) and an average low of 9°C (48.2°F). Haverfordwest's weather subtly changes with the onset of November, barely falling from a refreshing 14.2°C (57.6°F) in October to a cool 11.2°C (52.2°F). Weather in November »
Weather in December
December, the first month of the winter in Haverfordwest, is still a chilly month, with an average temperature ranging between min 7.6°C (45.7°F) and max 9.7°C (49.5°F). The average high-temperature in December, at a frosty 9.7°C (49.5°F), reveals a modest deviation from November's 11.2°C (52.2°F). Weather in December »
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Haverfordwest?
In Haverfordwest, United Kingdom, during the entire year, the rain falls for 210.4 days and collects up to 577mm (22.72") of precipitation.
When does it snow in Haverfordwest?
January through March, November and December are months with snowfall.
What is the snowiest month in Haverfordwest?
The month with the most snowfall is January, when snow falls for 0.6 days and typically aggregates up to 8mm (0.31") of snow.
How many days does it snow in Haverfordwest?
Throughout the year, there are 2.7 snowfall days, and 19mm (0.75") of snow is accumulated.
What are the months with the least sunshine in Haverfordwest?
The months with the least sunshine in Haverfordwest are January, November and December, with an average of 3.7h of sunshine.
When is the lowest UV index in Haverfordwest?
The months with the lowest UV index in Haverfordwest are January and February, with an average maximum UV index of 2.
What is the coldest time of year in Haverfordwest?
February brings the lowest temperatures in Haverfordwest, with an average high of 8.3°C (46.9°F) and an average low of 5.6°C (42.1°F).
What is the least humid month in Haverfordwest?
February through April, November and December, with an average relative humidity of 81%, are the least humid months in Haverfordwest.
When it does not snow in Haverfordwest?
In Haverfordwest, snow does not fall in April through October.
What is the driest month in Haverfordwest?
The month with the least rainfall in Haverfordwest, United Kingdom, is May, when the rain falls for 13.9 days and typically collects 23mm (0.91") of precipitation.
What month has the most sunshine in Haverfordwest?
The month with the most sunshine in Haverfordwest, United Kingdom, is May, with an average of 8.4h of sunshine.
What are the months with the highest UV index in Haverfordwest?
May through September, with an average maximum UV index of 4, are months with the highest UV index.
When are the longest days in Haverfordwest?
The month with the longest days in Haverfordwest, United Kingdom, is June, with an average of 16h and 36min of daylight.
What are the most humid months in Haverfordwest?
July and August, with an average relative humidity of 84%, are most humid months in Haverfordwest.
What month is the hottest in Haverfordwest?
Temperature readings reach their annual highs in August, averaging 17.2°C (63°F) and a minimum average of 14.6°C (58.3°F).
When is Daylight Saving Time (DST) in Haverfordwest?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
What is the rainiest month in Haverfordwest?
November is the month with the most rainfall in Haverfordwest. Rain falls for 21.9 days and accumulates 77mm (3.03") of precipitation.
What is the month with the shortest days in Haverfordwest?
December has the shortest days of the year in Haverfordwest, with an average of 7h and 54min of daylight.
Average temperature
Haverfordwest, United Kingdom
The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (8.3°C).
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure
Haverfordwest, United Kingdom
- Average pressure in January:
1013.4mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.6mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1013.3mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed
Haverfordwest, United Kingdom
- Average wind speed in January:
27.1km/h - Average wind speed in February:
27km/h - Average wind speed in March:
22.5km/h - Average wind speed in April:
19.2km/h - Average wind speed in May:
18.5km/h - Average wind speed in June:
17.9km/h
- Average wind speed in July:
18.2km/h - Average wind speed in August:
20.8km/h - Average wind speed in September:
22.1km/h - Average wind speed in October:
24.3km/h - Average wind speed in November:
27.2km/h - Average wind speed in December:
29.1km/h
The windiest month (with the highest average wind speed) is December (29.1km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity
Haverfordwest, United Kingdom
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are February, March, April, November and December (81%).
Average rainfall
Haverfordwest, United Kingdom
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is May (23mm).
Average rainfall days
Haverfordwest, United Kingdom
- Average rainfall days in January:
19.4 days - Average rainfall days in February:
16.4 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
20.3 days - Average rainfall days in September:
16.3 days - Average rainfall days in October:
18 days - Average rainfall days in November:
21.9 days - Average rainfall days in December:
21.5 days
The month with the highest number of rainy days is November (21.9 days).
The month with the least rainy days is May (13.9 days).
Average snowfall
Haverfordwest, United Kingdom
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Haverfordwest, United Kingdom
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Haverfordwest, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
8h and 1min - Average sunshine in August:
7h and 4min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 3min - Average sunshine in November:
3h and 4min - Average sunshine in December:
3h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 42min).
Average sunshine days
Haverfordwest, United Kingdom
- Average sunshine days in January:
8.7 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
10.1 days - Average sunshine days in October:
8.6 days - Average sunshine days in November:
5.5 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (5.5 days).
Average UV index
Haverfordwest, United Kingdom
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover
Haverfordwest, United Kingdom
The months with the most cloud cover are November and December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility
Haverfordwest, United Kingdom
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
